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发明名称
Fernmeldeuebertragungseinrichtung
摘要
申请公布号
DE590246(C)
申请公布日期
1933.12.30
申请号
DE1929I038115D
申请日期
1929.05.19
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
分类号
H04B3/16
主分类号
H04B3/16
代理机构
代理人
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地址
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